5 Grooves Ingot Graphite Melting Casting Refining Scrap Combo Crucible Mold . GRAPHITE CRUCIBLE FORM Specification: Features: 1. According to the conditions of use of graphite crucible, thermal stability is good. 2. Good corrosion resistance and impact performance ensure the reliability of the product quality. 3. Good resistance to strong acid and strong bases. 4. Good heat transfer efficiency: greatly reduces melting time and saves energy. 5. The ash content is less than 0,1% to ensure that precious metals are not contaminated during smelting. 6. In the process of high temperature application, a small coefficient of thermal expansion is obtained. 7. It has some resistance to deformation to thermal shock, hardening. 8. With a long service life. . GRAPHITE CRUCIBLE FORM Specification: Item Type: Graphite Mold Material: graphite Black color Size: approx. 7,1 * 5,1 * 1,1 cm / 2,80 * 2,01 * 0,43 inch Weight: approx. 180g . GRAPHITE CRUCIBLE FORM List of packages: 1 * graphite crucible form (5 grooves) . GRAPHITE CRUCIBLE FORM